package com.hmdp.utils;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.hmdp.dto.UserDTO;
import com.hmdp.entity.User;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author : Sonic
 * @version : 1.0
 * @createTime : 2024-12-18  21:01
 * @description : 拦截器
 */

public class LoginInterceptor implements HandlerInterceptor {

    /**
     * @param: [request, response, handler]
     * @return: boolean
     * @description: 判断是否需要拦截请求（ThreadLocal中是否有用户数据）
     **/
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        if(UserHolder.getUser()==null){
            response.setStatus(401);
            return false;
        }
        return true;
    }

}
